Always respect copyright and your local laws regarding emulation and firmware usage.
Yuzu also provides an in-emulator method to install firmware. In the menu bar, go to . This will automatically place files into the correct nand/ folder. yuzu firmware location
Depending on your operating system or setup method (like EmuDeck), the actual location on your drive may vary: How To Install Firmware/Keys on Ryujinx And YUZU Always respect copyright and your local laws regarding